硅npn管，參數：400v,1.25w 1.5a  ft=5mhz
面對著管子正面，管腳向下，從左向右依次為：基極b 集電極c  發射極e.

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products herein to improve reliability, function or design. fairchild does not assume any
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life support policy
fairchild’s products are not authorized for use as critical components in life support
devices or systems without the express written approval of fairchild semiconductor
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as used herein:
©2001 fairchild semiconductor corporation rev. h4
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1. life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, or (c) whose failure to perform
when properly used in accordance with instructions for use
provided in the labeling, can be reasonably expected to
result in significant injury to the user.

2. a critical component is any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.